An issue was discovered in FreePBX core before 3.0.122.43, 14.0.18.34, and 5.0.1beta4.
Priority LOW 23CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-79.
Summary
An issue was discovered in FreePBX core before 3.0.122.43, 14.0.18.34, and 5.0.1beta4. By crafting a request for adding Asterisk modules, an attacker is able to store JavaScript commands in a module name.
Why it matters now
EPSS 0.00552 46th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 3
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:freepbx:freepbx:15.0.1:-:*:*:*:*:*:* | 15.0.1 | Vulnerable | FreePBX |
| cpe:2.3:a:sangoma:freepbx:*:*:*:*:*:*:*:* | before 13.0.122.43; 14.0.0 to before 14.0.18.34; 15.0.0 – 15.0.1 | Vulnerable | Sangoma |
| cpe:2.3:a:sangoma:freepbx:15.0.1:beta4:*:*:*:*:*:* | 15.0.1 beta4 | Vulnerable | Sangoma |
- cpe:2.3:a:freepbx:freepbx:15.0.1:-:*:*:*:*:*:* Versions 15.0.1 Vulnerable ·FreePBX
- cpe:2.3:a:sangoma:freepbx:*:*:*:*:*:*:*:* Versions before 13.0.122.43; 14.0.0 to before 14.0.18.34; 15.0.0 – 15.0.1 Vulnerable ·Sangoma
- cpe:2.3:a:sangoma:freepbx:15.0.1:beta4:*:*:*:*:*:* Versions 15.0.1 beta4 Vulnerable ·Sangoma
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2018-15891
- 2026-10-03 Alias added: GHSA-f4fj-pg4q-w4qw
References
Sources
- CVE-2018-15891 · CVE Program
- CVE-2018-15891 · NVD
- FIRST EPSS
- GHSA-f4fj-pg4q-w4qw · GitHub Advisory Database · CC BY 4.0
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